/* ═══════════════════════════════════════════
   D-PAD — on-screen controls for mobile
   ═══════════════════════════════════════════ */

.dpad {
  display: none;
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  opacity: 0.7;
  touch-action: none;
}

/* Show only on touch devices */
@media (hover: none) and (pointer: coarse) {
  .dpad { display: block; }
}

.dpad__row {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.dpad__btn {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 1.2rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.dpad__btn--empty {
  background: transparent;
  border: none;
  pointer-events: none;
  box-shadow: none;
}

.dpad__btn--action {
  background: var(--c-accent-dim);
  border-color: var(--c-accent);
}

.dpad__btn--active {
  background: var(--c-accent);
  border-color: var(--c-text-bright);
}

/* Shrink on very small screens */
@media (max-height: 600px) {
  .dpad__btn {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }
  .dpad { bottom: 8px; }
}